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Finding the Fourth Proportional to 643,524.46, 965,124.73 and 264,550.87

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Solution

The fourth proportional to 643,524.46, 965,124.73 and 264,550.87 is: 396,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,524.46 : 965,124.73 = 264,550.87 : x
  2. Step 2: Convert to fraction form
    643,524.46/965,124.73 = 264,550.87/x
  3. Step 3: Cross multiply
    643,524.46x = 965,124.73 × 264,550.87
  4. Step 4: Simplify right side
    643,524.46x = 255,324,586,980.02
  5. Step 5: Solve for x
    x = 255,324,586,980.02/643,524.46
  6. Step 6: Final answer
    x = 396,759.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.